in an AP the first term is -5 and the last term is 45 if sum of all numbers in the ap is 120 then how many terms are there? What is common difference?
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First term and last term of AP is given. Just use the formula to find number of terms
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payalmaity2003p81zvt:
this ans is half
how to post pic in answer?
you can not post pic
what happen
ok
nothing just asking
u have ans only first ans where is the common difference??
oh sorry we have to find the common difference also
ok
yes
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I think its help u and mark it as brainliest
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